<div>
	<p>
	Set a 'Precedence: bulk' header on all emails.  This will stop most auto-responders from sending
	replies back to the sender (out-of-office, on-vacation, etc.)
	</p>
	For a full description of the specification see <a href="http://tools.ietf.org/search/rfc3834" target="_new">RFC-3834<a/>.
	</p>
</div>
